TEXAS · WELLS · WEBB COUNTY · SOUTH CALLAGHAN RANCH LEASE · API 42-479-36604 · DISTRICT 04
South Callaghan Ranch #140
Webb County · Small Cowboy (Lobo 6) field · Vertical
South Callaghan Ranch #140 (API 42-479-36604) is a plugged well in Webb County, plugged October 31, 2012, last operated by Rosetta Resources Operating LP.
The RRC has issued 2 drilling permits between 1996 and 2010, permitted to 9,000 ft.
Completion filings report 3 formation tops, including Wilcox, Lobo 2, Lobo 6.
Its lease has reported 1 barrels of oil and 103K mcf of gas since March 1997, with no volume in the three years through April 2026.
Operator of record
Rosetta Resources Operating LP
- Based in
- San Antonio, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 1, 2025
- Permits on file
- 1,218
- Phone
- (210) 384-3200
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rosetta Resources Operating LP |
| Production reports | Rosetta Resources Operating LPthrough Dec 2010 |
| Latest permit | Rosetta Resources Operating LPJul 7, 2010 |
- 9,000
- total depth, ft
- 2
- permits on file
- Jul 7, 2010
- last permit issued
- Mar 11, 1997
- completed
- 1
- cumulative oil, bbl
- 103K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1997 THROUGH Dec 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 11, 1997
- Shut in
- —
- Plugged
- Oct 31, 2012
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| South Callaghan Ranch G-4-162317 | Small Cowboy (Lobo 6) | Rosetta Resources Operating LP | 1 | 1 | 103K | Mar 1997 – Dec 2010 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mobil Producing TX. & N.M. Inc.Mar 1997 → Apr 1998
- 2Michael Petroleum CorporationMay 1998 → Mar 1999
- 3Rosetta Resources Operating LPSep 2010 → Dec 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 698410-99 | Recompletion | Rosetta Resources Operating LP | Jun 30, 2010 | Jul 7, 2010 | — | 7,300 |
| 456572-99 | Drill | Mobil Producing TX. & N.M. Inc. | Dec 20, 1996 | Dec 20, 1996 | Feb 15, 1997 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 11, 1997 | South Callaghan Ranch G-4-162317 | Small Cowboy (Lobo 6) | Rosetta Resources Operating LP | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 599 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxMIDDLE WILCOX | 6,773 | -6,174 |
| Lobo 2 | 7,950 | -7,351 |
| Lobo 6 | 8,260 | -7,661 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,301 | 8,337 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 258 | 12.25 | 160 S |
| 7 | 7,238 | 8.75 | 275 S |
| 2.875 | 8,683 | 6.125 | 430 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 17, 1997 | Apr 4, 1997 | Yes |
| 00 | Apr 8, 1997 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-479-36604 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36604 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/47936604, documented in the API reference.